<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="#" method="get" autocomplete="off">
    所在城市:<select name="city">
    <option>--请输入城市--</option>
    <optgroup label="直辖市">
        <option>北京</option>
        <option>上海</option>
    </optgroup>
    <optgroup label="省会">
        <option>杭州</option>
        <option>武汉</option>
    </optgroup>
</select>
    <br/>
    个人介绍:<textarea name="desc" rows="5" cols="20"></textarea>

    <button type="submit">提交</button>
    <button type="reset">重置</button>
</form>


</body>
</html>